UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
REVENUES:
Total revenues	$ 807,618	$ 721,248	$ 2,402,892	$ 2,074,920
COSTS AND EXPENSES:
General and administrative	16,770	17,038	48,253	52,825
Depreciation, depletion and amortization	68,379	73,946	209,966	217,125
Gain on sale of asset	0	0	0	(40,000)
Total costs and expenses	695,924	646,153	2,139,033	1,851,569
OPERATING INCOME	111,694	75,095	263,859	223,351
Equity in earnings of equity investees	17,242	13,236	49,606	40,252
Interest expense	(61,580)	(57,710)	(184,057)	(168,773)
Other expense	0	(21,388)	(1,812)	(10,758)
Income from operations before income taxes	67,356	9,233	127,596	84,072
Income tax expense	(574)	(660)	(1,748)	(1,535)
NET INCOME	66,782	8,573	125,848	82,537
Net income attributable to noncontrolling interests	(8,712)	(5,188)	(20,078)	(18,612)
Net income attributable to redeemable noncontrolling interests	0	0	0	(30,443)
NET INCOME ATTRIBUTABLE TO GENESIS ENERGY, L.P.	58,070	3,385	105,770	33,482
Less: Accumulated distributions and returns attributable to Class A Convertible Preferred Units	(22,308)	(18,684)	(69,220)	(56,052)
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-BASIC	35,762	(15,299)	36,550	(22,570)
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-DILUTED	$ 35,762	$ (15,299)	$ 36,550	$ (22,570)
Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax [Abstract]
Basic (in dollars per unit)	$ 0.29	$ (0.12)	$ 0.30	$ (0.18)
Diluted (in dollars per unit)	$ 0.29	$ (0.12)	$ 0.30	$ (0.18)
Earnings Per Unit [Abstract]
Basic (in units)	122,521	122,579	122,559	122,579
Diluted (in units)	122,521	122,579	122,559	122,579
Offshore pipeline transportation
REVENUES:
Total revenues	$ 106,297	$ 89,805	$ 289,151	$ 239,958
Offshore pipeline transportation | Offshore Pipeline Transportation Revenue
REVENUES:
Total revenues	106,297	89,805	289,151	239,958
COSTS AND EXPENSES:
Cost of products and services sold	23,651	25,410	71,515	74,785
Soda and sulfur services
REVENUES:
Total revenues	423,575	312,681	1,331,078	916,963
Soda and sulfur services | Sodium Minerals and Sulfur Services Revenue
REVENUES:
Total revenues	423,575	312,681	1,331,078	916,963
COSTS AND EXPENSES:
Cost of products and services sold	344,963	235,308	1,123,850	699,847
Marine transportation
REVENUES:
Total revenues	80,220	77,795	240,789	209,889
Marine transportation | Marine Transportation Revenue
REVENUES:
Total revenues	80,220	77,795	240,789	209,889
COSTS AND EXPENSES:
Cost of products and services sold	53,371	63,074	162,955	165,726
Onshore facilities and transportation
REVENUES:
Total revenues	197,526	240,967	541,874	708,110
Onshore facilities and transportation | Onshore Facilities and Transportation Revenue
REVENUES:
Total revenues	197,526	240,967	541,874	708,110
Onshore facilities and transportation | Onshore Facilities and Transportation Product
COSTS AND EXPENSES:
Cost of products and services sold	171,142	213,680	469,627	630,985
Onshore facilities and transportation | Onshore Facilities and Transportation Services
COSTS AND EXPENSES:
Cost of products and services sold	$ 17,648	$ 17,697	$ 52,867	$ 50,276